From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: deepak1556 Date: Tue, 17 Aug 2021 22:42:42 -0700 Subject: feat: expose raw response headers from URLLoader With https://chromium-review.googlesource.com/c/chromium/src/+/2856099 unfiltered response headers are only available via trusted channel through //services/network/public/mojom/devtools_observer.mojom. https://github.com/electron/electron/pull/30503/commits/28f4da1582d046e96cb58f3cbb590503e89dfd0d was an attempt to use this interface but given the original response is signalled on a different interface via URLLoaderClient::OnReceiveResponse it is harder to sync these data from two different channels for a synchronous event emitted on the SimpleURLLoaderWrapper::OnResponseStarted. This patch does the minimal approach to add back the raw response headers, moving forward we should find a way in upstream to provide access to these headers for loader clients created on the browser process. diff --git a/services/network/public/cpp/resource_request.cc b/services/network/public/cpp/resource_request.cc index babcf42e01be00da8b853a1207e869614765b2bb..1c051a64d77e3ea8909dced73d93764d06ed7152 100644 --- a/services/network/public/cpp/resource_request.cc +++ b/services/network/public/cpp/resource_request.cc @@ -177,6 +177,7 @@ ResourceRequest::TrustedParams& ResourceRequest::TrustedParams::operator=( allow_cookies_from_browser = other.allow_cookies_from_browser; include_request_cookies_with_response = other.include_request_cookies_with_response; + report_raw_headers = other.report_raw_headers; cookie_observer = Clone(&const_cast&>( other.cookie_observer)); @@ -211,6 +212,7 @@ bool ResourceRequest::TrustedParams::EqualsForTesting( const TrustedParams& other) const { return isolation_info.IsEqualForTesting(other.isolation_info) && disable_secure_dns == other.disable_secure_dns && + report_raw_headers == other.report_raw_headers && has_user_activation == other.has_user_activation && allow_cookies_from_browser == other.allow_cookies_from_browser && include_request_cookies_with_response == diff --git a/services/network/public/cpp/resource_request.h b/services/network/public/cpp/resource_request.h index 23762da9e9ff297007685662f45343b68d7aa351..cc4b067095a46ca34e5d409b10f0c91486b399a8 100644 --- a/services/network/public/cpp/resource_request.h +++ b/services/network/public/cpp/resource_request.h @@ -76,6 +76,7 @@ struct COMPONENT_EXPORT(NETWORK_CPP_BASE) ResourceRequest { bool has_user_activation = false; bool allow_cookies_from_browser = false; bool include_request_cookies_with_response = false; + bool report_raw_headers = false; mojo::PendingRemote cookie_observer; mojo::PendingRemote trust_token_observer; mojo::PendingRemote diff --git a/services/network/public/cpp/url_request_mojom_traits.cc b/services/network/public/cpp/url_request_mojom_traits.cc index de0780c4f29026d3cc7d2742d8e80acddc6916ad..76c724151ee12fccecd36d2e9a6b7f264a9907d7 100644 --- a/services/network/public/cpp/url_request_mojom_traits.cc +++ b/services/network/public/cpp/url_request_mojom_traits.cc @@ -48,6 +48,7 @@ bool StructTraitsallow_cookies_from_browser = data.allow_cookies_from_browser(); out->include_request_cookies_with_response = data.include_request_cookies_with_response(); + out->report_raw_headers = data.report_raw_headers(); out->cookie_observer = data.TakeCookieObserver< mojo::PendingRemote>(); out->trust_token_observer = data.TakeTrustTokenObserver< diff --git a/services/network/public/cpp/url_request_mojom_traits.h b/services/network/public/cpp/url_request_mojom_traits.h index 60feb8454fb3d41e5297a2b10c04baee4a4c01bf..08f82304444f4596a6054b758feb3803dfa3618e 100644 --- a/services/network/public/cpp/url_request_mojom_traits.h +++ b/services/network/public/cpp/url_request_mojom_traits.h @@ -70,6 +70,10 @@ struct COMPONENT_EXPORT(NETWORK_CPP_BASE) const network::ResourceRequest::TrustedParams& trusted_params) { return trusted_params.include_request_cookies_with_response; } + static bool report_raw_headers( + const network::ResourceRequest::TrustedParams& trusted_params) { + return trusted_params.report_raw_headers; + } static mojo::PendingRemote cookie_observer( const network::ResourceRequest::TrustedParams& trusted_params) { diff --git a/services/network/public/mojom/url_request.mojom b/services/network/public/mojom/url_request.mojom index 3e5dae789846c667f7537b04252a49b28298d53d..a229e56674cc75e8dfb78c26962f108ffd59c5e9 100644 --- a/services/network/public/mojom/url_request.mojom +++ b/services/network/public/mojom/url_request.mojom @@ -73,6 +73,9 @@ struct TrustedUrlRequestParams { // client which should not be able to see them. bool include_request_cookies_with_response = false; + // [Electron] Whether to provide unfiltered response headers. + bool report_raw_headers; + // Observer which should be notified when this URLRequest reads or writes // a cookie. If this is set to non-null, the observer passed to // URLLoaderFactory will be ignored. diff --git a/services/network/public/mojom/url_response_head.mojom b/services/network/public/mojom/url_response_head.mojom index 5c4b8a05034f8defacbc13671fe9bc92f76ade5a..e7390e01f113755613f42d592b36108b703960dc 100644 --- a/services/network/public/mojom/url_response_head.mojom +++ b/services/network/public/mojom/url_response_head.mojom @@ -13,6 +13,7 @@ import "services/network/public/mojom/attribution.mojom"; import "services/network/public/mojom/fetch_api.mojom"; import "services/network/public/mojom/http_request_headers.mojom"; import "services/network/public/mojom/ip_address_space.mojom"; +import "services/network/public/mojom/http_raw_headers.mojom"; import "services/network/public/mojom/ip_endpoint.mojom"; import "services/network/public/mojom/load_timing_info.mojom"; import "services/network/public/mojom/network_param.mojom"; @@ -49,6 +50,9 @@ struct URLResponseHead { // The response headers or NULL if the URL type does not support headers. HttpResponseHeaders headers; + // Actual response headers, as obtained from the network stack. + array raw_response_headers; + // The mime type of the response. This may be a derived value. string mime_type; diff --git a/services/network/url_loader.cc b/services/network/url_loader.cc index 805ebedd50772df795c13684d8f4e2452723fee9..3ef307958c8b1b95af797a95fe9deb131b8a0dbb 100644 --- a/services/network/url_loader.cc +++ b/services/network/url_loader.cc @@ -666,6 +666,9 @@ URLLoader::URLLoader( mojo::SimpleWatcher::ArmingPolicy::MANUAL, base::SequencedTaskRunner::GetCurrentDefault()), per_factory_orb_state_(context.GetMutableOrbState()), + report_raw_headers_( + request.trusted_params && + request.trusted_params->report_raw_headers), devtools_request_id_(request.devtools_request_id), options_(PopulateOptions(options, factory_params_->is_orb_enabled, @@ -963,7 +966,7 @@ void URLLoader::ConfigureRequest( &URLLoader::IsSharedDictionaryReadAllowed, base::Unretained(this))); } - if (devtools_request_id()) { + if (devtools_request_id() || report_raw_headers_) { url_request_->SetResponseHeadersCallback(base::BindRepeating( &URLLoader::SetRawResponseHeaders, base::Unretained(this))); } @@ -2036,6 +2039,19 @@ void URLLoader::OnResponseStarted(net::URLRequest* url_request, int net_error) { } response_ = BuildResponseHead(); + if (raw_response_headers_ && report_raw_headers_) { + std::vector header_array; + size_t iterator = 0; + std::string name, value; + while (raw_response_headers_->EnumerateHeaderLines(&iterator, &name, &value)) { + network::mojom::HttpRawHeaderPairPtr pair = + network::mojom::HttpRawHeaderPair::New(); + pair->key = name; + pair->value = value; + header_array.push_back(std::move(pair)); + } + response_->raw_response_headers = std::move(header_array); + } DispatchOnRawResponse(); // Parse and remove the Trust Tokens response headers, if any are expected, diff --git a/services/network/url_loader.h b/services/network/url_loader.h index 6dc9341df6fcdaff1dcefc8d7d1e2be27f9bd3ce..da41999306bdc47743b74f4e73a7a8ca62b3d907 100644 --- a/services/network/url_loader.h +++ b/services/network/url_loader.h @@ -714,6 +714,8 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) URLLoader std::unique_ptr resource_scheduler_request_handle_; + // Whether client requested raw headers. + bool report_raw_headers_ = false; bool enable_reporting_raw_headers_ = false; bool seen_raw_request_headers_ = false; // Used for metrics.